ptunel

--starting input
print("Length of tunel:")
length  = read()
print("Starting the dig")

for i=1,length,1 do
--Dig a row
turtle.dig()
turtle.digUp()
turtle.digDown()
turtle.up()
turtle.turnRight()
turtle.dig()
turtle.down()
turtle.dig()
turtle.down()
turtle.dig()
turtle.turnLeft()
turtle.turnLeft()
turtle.dig()
turtle.up()
turtle.dig()
turtle.up()
turtle.dig()
turtle.turnRight()
turtle.down()
--return
turtle.turnLeft()
turtle.turnLeft()
for b = 0,i-1,1 do turtle.forward() end
for b = 1,16,1 do
turtle.select(b)
turtle.drop()
end
--forward + 1
turtle.turnLeft()
turtle.turnLeft()
for b = 0, i, 1 do turtle.forward() end
end